#include <stdio.h> 

int main()
{
	printf("[1] apples\n");
	printf("[2] pears\n");
	printf("[3] oranges\n");
	printf("[4] grapes\n");
	printf("[0] Exit\n");
	int a = 0;
	scanf("%d", &a);
	switch(a) 
	{
	case 1:
		printf("price=3.0");
		break;
	case 2:
		printf("price=2.5");
		break;
		
	case 3:
		printf("price=4.1");
		break;
		
	case 4:
		printf("price=10.2");
		break;
		
	case 0:
		break;
	default:
		printf("price=0");
		break;
	}
}
